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Obstacle avoidance for kinematically redundant manipulators in dynamically varying environments

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dc.contributor.authorKlein, Charles A., author
dc.contributor.authorMaciejewski, Anthony A., author
dc.contributor.authorSAGE Publications, publisher
dc.date.accessioned2007-01-03T05:49:58Z
dc.date.available2007-01-03T05:49:58Z
dc.date.issued1985
dc.description.abstractThe vast majority of work to date concerned with obstacle avoidance for manipulators has dealt with task descriptionsin the form of pick-and-place movements. The added flexibility in motion control for manipulators possessing redundant degrees of freedom permits the consideration of obstacleavoidance in the context of a specified end-effector trajectory as the task description. Such a task definition is a more accurate model for such tasks as spray paintingor arc welding.The approach presented here is to determine the required joint angle rates for the manipulator under the constraints of multiple goals, the primary goal described by thespecified end-effector trajectory and secondary goals describing the obstacle avoidance criteria. The decomposition of the solution into a particular and a homogeneous componenteffectively illustrates the priority of the multiple goals that is exact end-effector control with redundant degrees of freedom maximizing the distance to obstacles. An efficient numericalimplementation of the technique permits sufficiently fast cycle times to deal with dynamic environments.
dc.description.sponsorshipThis work is the result of research supported by the National Science Foundation under Grant ECS-8121519 and a National Science Foundation graduate fellowship.
dc.format.mediumborn digital
dc.format.mediumarticles
dc.identifier.bibliographicCitationMaciejewski, Anthony A. and Charles A. Klein, Obstacle Avoidance for Kinematically Redundant Manipulators in Dynamically Varying Environments, International Journal of Robotics Research 4, no. 3 (Fall 1985): 109-117.
dc.identifier.urihttp://hdl.handle.net/10217/536
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartofFaculty Publications
dc.rights©1985 SAGE Publications.
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjectkinematically redundant manipulators
dc.subjectobstacle avoidance
dc.titleObstacle avoidance for kinematically redundant manipulators in dynamically varying environments
dc.typeText

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